Mosapour  Miyandehi, Pari, Mansouri, Mahboubeh. “Content analysis of fifth grade textbooks of the academic year 2023-2024 based on the level of attention to environmental components.” Journal of Environmental Research and Technology, vol. 8, no. 14, 2024, pp. 63-74. 10.61186/jert.44471.8.14.63